/oss/taxonomy/term/6274/all en /oss/article/student-contributors-did-you-know-general-science/salon-free-highlights-are-just-spray-away <p>Summer is almost here! Tans will get darker and hair will get lighter. If you <i>really</i> want to get blonder this year, many brands sell hair lightening sprays – a way to heighten the sun’s natural hair brightening process.</p> <p>The key factor for the sun’s effect on hair is ultraviolet light. These energetic rays break bonds between the atoms of melanin, the compound responsible for hair pigmentation. As the melanin breaks down into colourless compounds, hair is lightened.</p> Thu, 19 May 2022 20:03:36 +0000 Haleh Cohn 9116 at /oss